#4B90D3#4B90D3

#4B90D3 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.123 H 249.7°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4B90D3
RGB	rgb(75, 144, 211)
HSL	hsl(210, 61%, 56%)
HSV	hsv(210, 64%, 83%)
CMYK	cmyk(64.5%, 31.8%, 0%, 17.3%)
CIE-LAB	lab(58.17, -0.95, -40.83)
CIE-LCH	lch(58.17, 40.84, 268.67°)
OKLab	oklab(63.82% -0.0427 -0.1155)
OKLCH	oklch(63.82% 0.123 249.7)
XYZ	xyz(24.6284, 26.1431, 65.3636)
Luminance	0.2615 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B90D3 #D38E4B

analogous

#4BD3D2 #4B90D3 #4B4CD3

triadic

#4B90D3 #D34B90 #90D34B

tetradic

#4B90D3 #D24BD3 #D38E4B #4CD34B

square

#4B90D3 #D24BD3 #D38E4B #4CD34B

split-complementary

#4B90D3 #D34B4C #D3D24B

monochromatic

#205383 #2C71B5 #4B90D3 #7CAEDF #ADCDEB

Accessibility & contrast

On white

3.37

#4B90D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#4B90D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B90D3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B90D3	#FFFFFF	#000000	##000000
##4B90D3	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7393D6

Deuteranopia (green-blind)

#6086D2

Tritanopia (blue-blind)

#00A0A8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4b90d3;
/* rgb */ color: rgb(75, 144, 211);
/* oklch */ color: oklch(63.8% 0.123 249.7);

Tailwind

colors: {
  custom: {
    50: '#8ab0e1',
    500: '#4b90d3',
    950: '#000000',
  },
}

SCSS

$custom: #4b90d3;
$custom-light: #8ab0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b90d3",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 211
  },
  "hsl": {
    "h": 209.559,
    "s": 60.714,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63819,
    "c": 0.12309,
    "h": 249.7
  },
  "luminance": 0.26146
}

Semantic roles & 50–950 ramp

primary

#4B90D3

secondary

#D9BCA1

accent

#9344E4

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #4B90D3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →